CVE-2018-8221 describes a security feature bypass vulnerability in Microsoft Device Guard, impacting Windows 10 and Windows Server 2016. This flaw allows an attacker to inject malicious code into a PowerShell session, bypassing Device Guard's code integrity policies. With a CVSS score of 5.3 (MEDIUM), the vulnerability requires local access and low privileges, but does not necessitate user interaction, potentially leading to low impacts on confidentiality, integrity, and availability. There is no evidence of active exploitation, publicly available exploit code (Metasploit, Nuclei, ExploitDB), or inclusion in the CISA KEV catalog, though it has received some community discussion and media coverage.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
Range not provided by sourceCPE matchmatch criteria | cpe:2.3:o:microsoft:windows_10:-:*:*:*:*:*:*:* | ||
1607CPE matchmatch criteria | cpe:2.3:o:microsoft:windows_10:1607:*:*:*:*:*:*:* | ||
1703CPE matchmatch criteria | cpe:2.3:o:microsoft:windows_10:1703:*:*:*:*:*:*:* | ||
1709CPE matchmatch criteria | cpe:2.3:o:microsoft:windows_10:1709:*:*:*:*:*:*:* | ||
1803CPE matchmatch criteria | cpe:2.3:o:microsoft:windows_10:1803:*:*:*:*:*:*:* |
CVSS version used by this source: 3.0
CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L
The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.0 Bluesky, 0.0 Mastodon, and 0.1 GitHub mentions.
The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.